Apple earnings in focus for Wall Street By: CNBC.com News July 21, 2015 at 06:01 AM EDT U.S. stocks were expected to open a touch weaker on Tuesday, as earnings season gets into full swing with the likes of Apple reporting this session. Read More >> Related Stocks: Apple Baker Hughes Inc Bank of New York Mellon International Business Machines Microsoft Sentinelone Inc Cl A Toshiba Corp United Technologies Verizon Communications Yahoo